RS
Robert Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Robert Swanson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents P & Victor — first a head (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Swanson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| Additional Details | |
| Occupation | Salesman |
| Industry | Shoe Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Missouri |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Moline City |
| Est. Birth Year | ~1912 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Charles Swanson | Son | — | 2 | ~1938 |
| Robert Swanson | Head | — | 28 | ~1912 |
| Barbara Swanson | Daughter | — | 5 | ~1935 |
| Sarah Swanson | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Rock Island, …
Son, age 7
Rock Island, Illinois · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Son, age 17
Rock Island, Illinois · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | salesman |
| Industry | shoe store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Head, age 28
Rock-Island-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Swanson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| Occupation | Salesman |
| Industry | Shoe Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Missouri |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Robert Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father P Swanson (~0.92 confidence) and father Victor Swanson (~0.92 confidence) and mother Ella Swanson (~0.92 confidence) and mother Esther Swanson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
P Swanson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Victor Swanson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Ella Swanson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Esther Swanson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Swanson
Head · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00861)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Benns Grader | 44 | Head | Assistant Superintendent | Illinois |
| 2 | Ruth Grader | 39 | Wife | — | Kansas |
| 3 | Elaine Grader | 15 | Daughter | — | Illinois |
| 4 | Kenneth Grader | 13 | Son | — | Illinois |
| 5 | Anna Anderson | 53 | Head | — | Sweden |
| 6 | Elmer Anderson | 25 | Son | General Office | Illinois |
| 7 | Albert Anderson | 22 | Son | Time Keeper | Illinois |
| 8 | Svea Anderson | 18 | Daughter | Stenographer | Illinois |
| 9 | Mary Alice Anderson | 15 | Daughter | — | Illinois |
| 10 | Helen Anderson | 13 | Daughter | — | Illinois |
| 11 | Folke Borgeson | 40 | Roomer | Molder | Sweden |
| 12 | Clarence Jacobson | 37 | Roomer | Draftsman | Massachusetts |
| 13 | Robert Swanson THIS PERSON | 28 | Head | Salesman | Illinois |
| 14 | Sarah Swanson | 28 | Wife | — | Arkansas |
| 15 | Barbara Swanson | 5 | Daughter | — | Iowa |
| 16 | Charles Swanson | 2 | Son | 0 | Illinois |
| 17 | Wallace Miller | 38 | Head | Repair Foreman | Illinois |
| 18 | Allison Miller | 33 | Wife | — | Illinois |
| 19 | Jean Miller | 12 | Daughter | — | Illinois |
| 20 | Jimmy Miller | 10 | Son | — | Illinois |
| 21 | Tommy Miller | 8 | Son | — | Illinois |
| 22 | John Milbaugh | 52 | Head | Machine Machinist | Ohio |
| 23 | Annie Milbaugh | 52 | Wife | — | Ohio |
| 24 | Knut Fredlund | 39 | Head | Watchman | Sweden |
| 25 | Anna Fredlund | 37 | Wife | — | Sweden |
| 26 | Sephus Johnson | 27 | Head | Mail Carrier | Wisconsin |
| 27 | Nellie Johnson | 24 | Wife | — | Illinois |
| 28 | Judith Ellen Johnson | 1 | Daughter | 0 | Illinois |
| 29 | Earl Green | 46 | Head | Collection Manager | Illinois |
| 30 | Myra Green | 42 | Wife | — | Indiana |
| 31 | Kenneth Green | 17 | Son | — | Illinois |
| 32 | Donald Green | 11 | Son | — | Illinois |
| 33 | Gloria Green | 10 | Daughter | — | Illinois |
| 34 | John Molchanoff | 61 | Head | Machinist | Russia |
| 35 | Magdalene Molchanoff | 44 | Wife | — | Poland |
| 36 | George Tomczyk | 19 | Stepson | — | Illinois |
| 37 | Maynard Wood | 36 | Head | Salesman | Illinois |
| 38 | Lucille Wood | 33 | Wife | — | Illinois |
| 39 | James Wood | 11 | Son | — | Illinois |
| 40 | Barbara Wood | 7 | Daughter | — | Pennsylvania |
Pedigree Summary
Robert
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)